<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        body, html {
            width: 100%;
            height: 100%
        }

        * {
            margin: 0;
            padding: 0
        }

        body {
            background: #dfe2e5;
            position: relative
        }

        .one {
            width: 618px;
            height: 128px;
            background: url(images/phone.png) no-repeat top center;
            background-size: 100% 100%;
            position: absolute;
            left: 50%;
            top: 50%;
            margin-left: -309px;
            margin-top: -64px;
        }


    </style>
</head>
<body>
<div class="one">

</div>
</body>
</html>